On Sun, 07 Jan 2007 05:03:24 -0800, Alex Pounds <[EMAIL PROTECTED]> wrote:
> I also grabbed a SVN snapshot of aMSN, but I found it worked fine for me. > Well, fine-ish: I can both send and receive webcam sessions, but it does > crash occasionally. I spoke to an aMSN developer, and they tell me it's a > driver issue. I've seen no "trigger" for the crash, as in it doesn't > happen consistently when I do something. Sometimes I see the ioctl > messages before the crash, sometimes not. In the log below we can see two > crashes - the second crash occurs at the second "Unsupported marker type" > line. > > ioctl: > VIDIOC_S_FMT(type=VIDEO_CAPTURE;fmt.pix.width=320;fmt.pix.height=240;fmt.pix.pixelformat=0x56595559 > > [YUYV];fmt.pix.field=A > NY;fmt.pix.bytesperline=0;fmt.pix.sizeimage=0;fmt.pix.colorspace=unknown;fmt.pix.priv=0): > > Input/output error > ioctl: > VIDIOC_S_FMT(type=VIDEO_CAPTURE;fmt.pix.width=320;fmt.pix.height=240;fmt.pix.pixelformat=0x47504a4d > > [MJPG];fmt.pix.field=A > NY;fmt.pix.bytesperline=0;fmt.pix.sizeimage=0;fmt.pix.colorspace=unknown;fmt.pix.priv=0): > > Input/output error > ioctl: > VIDIOC_QUERYCTRL(id=9963776;type=unknown;name="";minimum=0;maximum=0;step=0;default_value=0;flags=0): > > Input/output error > Unsupported marker type 0x1b > Oops: malloc_video_bufs is 1 (expected 0) > [utils/linux/capture/libng/grab-ng.c:malloc_bufs_check:231] > Oops: processes is 1 (expected 0) > [utils/linux/capture/libng/convert.c:process_check:179] > attempt to provide package tls 1.5 failed: package tls 1.50 provided > instead > Unsupported marker type 0x1b > Oops: malloc_video_bufs is 1 (expected 0) > [utils/linux/capture/libng/grab-ng.c:malloc_bufs_check:231] > Oops: processes is 1 (expected 0) > [utils/linux/capture/libng/convert.c:process_check:179] > attempt to provide package tls 1.5 failed: package tls 1.50 provided > instead I doubt that we're looking at a driver issue here, but before I go out on a limb here, I'd like to be sure about two things: 1. The camera is streaming in MJPEG format when the error occurs, right? (The S_FMT to MJPG seems to fail, so that confuses me a little bit ...) 2. If so, what JPEG decoder does aMSN use? Cheers, Martin _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
